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Transiting Exoplanet Monitoring Project (TEMP). III. On the Relocation of the Kepler-9 b Transit
Wang, Songhu1; Wu, Dong-Hong2,3; Addison, Brett C.4; Laughlin, Gregory1; Liu, Hui-Gen2,3; Wang, Yong-Hao5,6; Yang, Taozhi7; Yang, Ming2,3; Yisikandeer, Abudusaimaitijiang7; Hong, Renquan8; Li, Bin8; Liu, Jinzhong7; Zhao, Haibin8; Wu, Zhen-Yu5,6; Hu, Shao-Ming9; Zhou, Xu5,6; Zhou, Ji-Lin2,3; Zhang, Hui2,3; Zheng, Jie5,6; Wang, Wei5,10; Fan, Zhou5,6; Niu, Hubiao7; Chen, Yuan-Yuan8; Lu, Hao; Peng, Xiyan5,6; Li, Kai9; Guo, Di-Fu9
Contribution Rank7

The Kepler-9 system harbors three known transiting planets. The system holds significant interest for several reasons. First, the outer two planets exhibit a period ratio that is close to a 2: 1 orbital commensurability, with attendant dynamical consequences. Second, both planets lie in the planetary mass "desert" that is generally associated with the rapid gas agglomeration phase of the core accretion process. Third, there exist attractive prospects for accurately measuring both the sky-projected stellar spin-orbit angles as well as the mutual orbital inclination between the planets in the system. Following the original Kepler detection announcement in 2010, the initially reported orbital ephemerides for Kepler-9. b and c have degraded significantly, due to the limited time base-line of observations on which the discovery of the system rested. Here, we report new ground-based photometric observations and extensive dynamical modeling of the system. These efforts allow us to photometrically recover the transit of Kepler-9. b and thereby greatly improve the predictions for upcoming transit mid-times. Accurate ephemerides of this system are important in order to confidently schedule follow-up observations of this system, for both in-transit Doppler measurements as well as for atmospheric transmission spectra taken during transit.

KeywordMethods: Observational Planetary Systems Planets And Satellites: Fundamental Parameters Planets And Satellites: Individual (Kepler-9b) Stars: Individual (Kepler-9) Techniques: Photometric
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS KeywordTerrestrial Planets ; Extrasolar Planets ; System ; Star ; Evolution ; Rotation
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000423173500005
Funding OrganizationHeising-Simons Foundation ; Nanshan 1m telescope of Xinjiang Astronomical Observatory ; CAS
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorWang, Songhu
Affiliation1.Yale Univ, Dept Astron, New Haven, CT 06511 USA
2.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Jiangsu, Peoples R China
3.Nanjing Univ, Minist Educ, Key Lab Modern Astron & Astrophys, Nanjing 210093, Jiangsu, Peoples R China
4.Mississippi State Univ, Dept Phys & Astron, Hilbun Hall, Starkville, MS 39762 USA
5.Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
7.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China
8.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
9.Shandong Univ, Inst Space Sci, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai 264209, Peoples R China
10.Chinese Acad Sci South Amer Ctr Astron, China Chile Joint Ctr Astron, Camino Observ 1515, Santiago, Chile
Recommended Citation
GB/T 7714
Wang, Songhu,Wu, Dong-Hong,Addison, Brett C.,et al. Transiting Exoplanet Monitoring Project (TEMP). III. On the Relocation of the Kepler-9 b Transit[J]. ASTRONOMICAL JOURNAL,2018,155(2):73.
APA Wang, Songhu.,Wu, Dong-Hong.,Addison, Brett C..,Laughlin, Gregory.,Liu, Hui-Gen.,...&Guo, Di-Fu.(2018).Transiting Exoplanet Monitoring Project (TEMP). III. On the Relocation of the Kepler-9 b Transit.ASTRONOMICAL JOURNAL,155(2),73.
MLA Wang, Songhu,et al."Transiting Exoplanet Monitoring Project (TEMP). III. On the Relocation of the Kepler-9 b Transit".ASTRONOMICAL JOURNAL 155.2(2018):73.
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